34783 has 4 divisors (see below), whose sum is σ = 39760. Its totient is φ = 29808.

The previous prime is 34781. The next prime is 34807. The reversal of 34783 is 38743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34783 - 2¹ = 34781 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is the 187-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34781) by changing a digit.

It is a nontrivial repunit in base 186.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (9940).

2³⁴⁷⁸³ is an apocalyptic number.

34783 is a deficient number, since it is larger than the sum of its proper divisors (4977).

34783 is an equidigital number, since it uses as much as digits as its factorization.

34783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976.

The product of its digits is 2016, while the sum is 25.

The square root of 34783 is about 186.5020107130. The cubic root of 34783 is about 32.6429208707.

It can be divided in two parts, 3478 and 3, that added together give a square (3481 = 59²).

The spelling of 34783 in words is "thirty-four thousand, seven hundred eighty-three".